diff --git a/src/http/client.ts b/src/http/client.ts
index 0007462..7191f9b 100644
--- a/src/http/client.ts
+++ b/src/http/client.ts
@@ -61,13 +61,13 @@ export async function request<T>(
   // 请求发起时刻的 token 快照：headers 注入与 401 陈旧竞态判断共用同一份
   const tokenAtStart = store.getState().auth.token
 
-  // token 注入：从 authSlice 读取
+  // token 注入：后端约定自定义 token 头（无 Bearer 前缀，联调实测）
   const headers: Record<string, string> = {
     'Content-Type': 'application/json',
     ...config.headers
   }
   if (config.needAuth !== false) {
-    if (tokenAtStart) headers.Authorization = `Bearer ${tokenAtStart}`
+    if (tokenAtStart) headers.token = tokenAtStart
   }
 
   let res: Taro.request.SuccessCallbackResult<ApiEnvelope<T>>
diff --git a/tests/unit/http/client.spec.ts b/tests/unit/http/client.spec.ts
index f2b40b5..57ed28d 100644
--- a/tests/unit/http/client.spec.ts
+++ b/tests/unit/http/client.spec.ts
@@ -103,16 +103,16 @@ describe('client envelope 解析', () => {
     })
   })
 
-  it('需鉴权请求注入 Bearer token 头', async () => {
+  it('需鉴权请求注入 token 头（后端约定自定义头，无 Bearer 前缀）', async () => {
     mockRequest.mockResolvedValue(okBody(null))
     await request.get('/demo')
-    expect(mockRequest.mock.calls[0][0].header.Authorization).toBe('Bearer unit-token')
+    expect(mockRequest.mock.calls[0][0].header.token).toBe('unit-token')
   })
 
-  it('needAuth: false 时不注入 Authorization', async () => {
+  it('needAuth: false 时不注入 token 头', async () => {
     mockRequest.mockResolvedValue(okBody(null))
     await request.post('/demo', {}, { needAuth: false })
-    expect(mockRequest.mock.calls[0][0].header.Authorization).toBeUndefined()
+    expect(mockRequest.mock.calls[0][0].header.token).toBeUndefined()
   })
 
   it('BASE_URL 拼接：请求 url = BASE_URL + path', async () => {